Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6810059 | Semiconductor laser and method of manufacturing the same | — | 2004-10-26 |
| 6674779 | Semiconductor laser device and method for producing the same | — | 2004-01-06 |
| 6613679 | Method for fabricating a semiconductor device | — | 2003-09-02 |
| 6449298 | Semiconductor laser device and method for fabricating the same | Toshiyuki Tarizawa | 2002-09-10 |
| 6423561 | Method for fabricating semiconductor device | Takayuki Yoshida, Kenichi Matsuda | 2002-07-23 |
| 6266354 | Semiconductor laser device with ridge structure | Yasuhito Kumabuchi, Isao Kidoguchi, Hideto Adachi | 2001-07-24 |
| 6184066 | Method for fabricating semiconductor device | Takayuki Yoshida, Kenichi Matsuda | 2001-02-06 |
| 6127201 | Method for etching a compound semiconductor, a semiconductor laser device and method for producing the same | Yasuhito Kumabuchi, Isao Kidoguchi, Hideto Adachi | 2000-10-03 |
| 5968845 | Method for etching a compound semiconductor, a semi-conductor laser device and method for producing the same | Yasuhito Kumabuchi, Isao Kidoguchi, Hideto Adachi | 1999-10-19 |
| 5796714 | Optical module having a vertical-cavity surface-emitting laser | Kenichi Matsuda, Takayuki Yoshida, Kenzo Hatada | 1998-08-18 |
| 5513202 | Vertical-cavity surface-emitting semiconductor laser | Yasuhiro Kobayashi, Kenichi Matsuda | 1996-04-30 |
| 5416044 | Method for producing a surface-emitting laser | Kenichi Matsuda | 1995-05-16 |
| 5321294 | Shift register having optically bistable elements coupled by an optical waveguide layer | Kenichi Matsuda | 1994-06-14 |
| 5308440 | Method of making semiconductor device with air-bridge interconnection | Kenichi Matsuda, Jun Shibata | 1994-05-03 |
| 5147827 | Method for producing a passivation film of InP compound semiconductor | Kenichi Matsuda, Shibata Jun | 1992-09-15 |